文件名称:MATLAB智能算法30个案例分析 源代码
文件大小:1.45MB
文件格式:ZIP
更新时间:2017-09-27 09:08:25
智能算法
MATLAB智能算法的源代码%% 清空环境
clc;clear
%% 障碍物数据
position = load('barrier.txt');
plot([0,200],[0,200],'.');
hold on
B = load('barrier.txt');
xlabel('km','fontsize',12)
ylabel('km','fontsize',12)
title('二维规划空间','fontsize',12)
%% 描述起点和终点
S = [20,180];
T = [160,90];
plot([S(1),T(1)],[S(2),T(2)],'.');
% 图形标注
text(S(1)+2,S(2),'S');
text(T(1)+2,T(2),'T');
%% 描绘障碍物图形
fill(position(1:4,1),position(1:4,2),[0,0,0]);
fill(position(5:8,1),position(5:8,2),[0,0,0]);
fill(position(9:12,1),position(9:12,2),[0,0,0]);
fill(position(13:15,1),position(13:15,2),[0,0,0]);
% 下载链路端点数据
L = load('lines.txt');
%% 描绘线及中点
v = zeros(size(L));
for i=1:20
plot([position(L(i,1),1),position(L(i,2),1)],[position(L(i,1),2)...
,position(L(i,2),2)],'color','black','LineStyle','--');
v(i,:) = (position(L(i,1),:)+position(L(i,2),:))/2;
plot(v(i,1),v(i,2),'*');
text(v(i,1)+2,v(i,2),strcat('v',num2str(i)));
end
%% 描绘可行路径
sign = load('matrix.txt');
[n,m]=size(sign);
for i=1:n
if i == 1
for k=1:m-1
if sign(i,k) == 1
plot([S(1),v(k-1,1)],[S(2),v(k-1,2)],'color',...
'black','Linewidth',2,'LineStyle','-');
end
end
continue;
end
for j=2:i
if i == m
if sign(i,j) == 1
plot([T(1),v(j-1,1)],[T(2),v(j-1,2)],'color',...
'black','Linewidth',2,'LineStyle','-');
end
else
if sign(i,j) == 1
plot([v(i-1,1),v(j-1,1)],[v(i-1,2),v(j-1,2)],...
'color','black','Linewidth',2,'LineStyle','-');
end
end
end
end
path = DijkstraPlan(position,sign);
j = path(22);
plot([T(1),v(j-1,1)],[T(2),v(j-1,2)],'color','yellow','LineWidth',3,'LineStyle','-.');
i = path(22);
j = path(i);
count = 0;
while true
plot([v(i-1,1),v(j-1,1)],[v(i-1,2),v(j-1,2)],'color','yellow','LineWidth',3,'LineStyle','-.');
count = count + 1;
i = j;
j = path(i);
if i == 1 || j==1
break;
end
end
plot([S(1),v(i-1,1)],[S(2),v(i-1,2)],'color','yellow','LineWidth',3,'LineStyle','-.');
count = count+3;
pathtemp(count) = 22;
j = 22;
for i=2:count
pathtemp(count-i+1) = path(j);
j = path(j);
end
path = pathtemp;
path = [1 9 8 7 13 14 12 22];
%% 蚁群算法参数初始化
pathCount = length(path)-2; %经过线段数量
pheCacuPara=2; %信息素计算参数
pheThres = 0.8; %信息素选择阈值
pheUpPara=[0.1 0.0003]; %信息素更新参数
qfz= zeros(pathCount,10); %启发值
phePara = ones(pathCount,10)*pheUpPara(2); %信息素
qfzPara1 = ones(10,1)*0.5; %启发信息参数
qfzPara2 = 1.1; %启发信息参数
m=10; %种群数量
NC=500; %循环次数
pathk = zeros(pathCount,m); %搜索结果记录
shortestpath = zeros(1,NC); %进化过程记录
%% 初始最短路径
dijpathlen = 0;
vv = zeros(22,2);
vv(1,:) = S;
vv(22,:) = T;
vv(2:21,:) = v;
for i=1:pathCount-1
dijpathlen = dijpathlen + sqrt((vv(path(i),1)-vv(path(i+1),1))^2+(vv(path(i),2)-vv(path(i+1),2))^2);
end
LL = dijpathlen;
%% 经过的链接线
lines = zeros(pathCount,4);
for i = 1:pathCount
lines(i,1:2) = B(L(path(i+1)-1,1),:);
lines(i,3:4) = B(L(path(i+1)-1,2),:);
end
%% 循环搜索
for num = 1:NC
%% 蚂蚁迭代寻优一次
for i=1:pathCount
for k=1:m
q = rand();
qfz(i,:) = (qfzPara2-abs((1:10)'/10-qfzPara1))/qfzPara2; %启发信息
if q<=pheThres%选择信息素最大值
arg = phePara(i,:).*(qfz(i,:).^pheCacuPara);
j = find(arg == max(arg));
pathk(i,k) = j(1);
else % 轮盘赌选择
arg = phePara(i,:).*(qfz(i,:).^pheCacuPara);
sumarg = sum(arg);
qq = (q-pheThres)/(1-pheThres);
qtemp = 0;
j = 1;
while qtemp < qq
qtemp = qtemp + (phePara(i,j)*(qfz(i,j)^pheCacuPara))/sumarg;
j=j+1;
end
j=j-1;
pathk(i,k) = j(1);
end
% 信息素更新
phePara(i,j) = (1-pheUpPara(1))*phePara(i,j)+pheUpPara(1)*pheUpPara(2);
end
end
%% 计算路径长度
len = zeros(1,k);
for k=1:m
Pstart = S;
Pend = lines(1,1:2) + (lines(1,3:4)-lines(1,1:2))*pathk(1,k)/10;
for l=1:pathCount
len(1,k) = len(1,k)+sqrt(sum((Pend-Pstart).^2));
Pstart = Pend;
if l
【文件预览】:
MATLAB智能算法30个案例分析 源代码
----chapter16.rar(18KB)
----chapter3.rar(5KB)
----chapter10.rar(3KB)
----chapter7.rar(4KB)
----chapter1.rar(2KB)
----chapter4()
--------test.m(187B)
--------Fitness.m(125B)
--------OutputPath.m(158B)
--------Sus.m(455B)
--------InitPop.m(238B)
--------Recombin.m(1KB)
--------Mutate.m(263B)
--------Reins.m(296B)
--------dsxy2figxy.m(960B)
--------Reverse.m(530B)
--------DrawPath.m(614B)
--------CityPosition3.mat(570B)
--------GA_TSP.m(2KB)
--------CityPosition1.mat(324B)
--------Select.m(233B)
--------PathLength.m(304B)
--------Distanse.m(271B)
--------CityPosition2.mat(447B)
----chapter15.rar(12KB)
----chapter26.rar(3KB)
----chapter19.rar(5KB)
----chapter9.rar(705B)
----chapter20.rar(11KB)
----chapter25.rar(169KB)
----chapter23()
--------main.m(5KB)
--------barrier.txt(190B)
--------matrix.txt(989B)
--------DijkstraPlan.m(1KB)
--------DijstraPlan.m(0B)
--------lines.txt(122B)
----chapter27.rar(2KB)
----chapter17.rar(32KB)
----chapter21.rar(713B)
----chapter29.rar(4KB)
----chapter2.rar(26KB)
----chapter4.rar(7KB)
----chapter5.rar(92KB)
----chapter8.rar(3KB)
----chapter30.rar(172KB)
----chapter22.rar(3KB)
----chapter28.rar(8KB)
----chapter11.rar(11KB)
----chapter6.rar(628B)
----chapter12.rar(28KB)
----chapter18.rar(7KB)
----chapter13.rar(718KB)
----chapter23.rar(3KB)
----chapter14.rar(141KB)
----chapter24.rar(6KB)